Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1045] Access denied for user 'root'@'172.18.0.5' (using password: YES) in /var/www/html/blog/index.php:15 Stack trace: #0 /var/www/html/blog/index.php(15): PDO->__construct('mysql:host=mari...', 'root', Object(SensitiveParameterValue), Array) #1 {main} thrown in /var/www/html/blog/index.php on line 15